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Can ABO and Rh blood grouping be used to determine the relationship between a child and the alleged father?

April 26, 2017ABO Alleged blood child determine father grouping relationship Rh Used

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Can ABO and Rh blood grouping be used to determine the relationship between a child and the alleged father?

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An exclusion (the alleged father is not the biological father) is possible, however the probability of inclusion (the alleged father is the biological father) is far less accurate than DNA testing, as many people can share the same blood group, whereas the probability of two people sharing the same DNA profile approaches zero.